EP1631865A2 - Verfahren zum überwachen eines feldgerätes - Google Patents
Verfahren zum überwachen eines feldgerätesInfo
- Publication number
- EP1631865A2 EP1631865A2 EP04739728A EP04739728A EP1631865A2 EP 1631865 A2 EP1631865 A2 EP 1631865A2 EP 04739728 A EP04739728 A EP 04739728A EP 04739728 A EP04739728 A EP 04739728A EP 1631865 A2 EP1631865 A2 EP 1631865A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- field device
- control unit
- identifier
- alarm
- monitoring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40169—Flexible bus arrangements
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24042—Signature analysis, compare recorded with current data, if error then alarm
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24119—Compare control states to allowed and forbidden combination of states
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25428—Field device
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/4026—Bus for use in automation systems
Definitions
- the invention relates to a method for monitoring a field device according to the preamble of claim 1.
- field devices are often used to record and / or influence process variables.
- Examples of such field devices are level measuring devices, mass flow meters, pressure and temperature measuring devices, pH redox potential measuring devices, conductivity measuring devices, etc., which act as sensors
- Electrode cleaning systems, calibration systems and samplers should be mentioned here.
- So-called remote I / Os are also referred to as field devices.
- So-called actuators are used to influence process variables.
- Endress + Hauser® manufactures and sells a large number of such field devices.
- Field devices in a modern manufacturing plant are often connected to higher-level units via a fieldbus system (Profibus®, Foundation®-Fieldbus, HART®, etc.).
- These higher-level units are used for process control, process visualization, process monitoring and for operating and monitoring the field devices.
- Communication connections to other company networks are also possible from the higher-level units.
- the sensors deliver measured values that correspond to the current value of the recorded process variable. These measured values are sent to a control unit e.g. B. PLC (programmable logic controller) forwarded.
- a control unit e.g. B. PLC (programmable logic controller) forwarded.
- the process is controlled by the control unit, where the measured values of various field devices are evaluated and control signals for the corresponding actuators are generated on the basis of the evaluation.
- field devices can also transmit additional information (diagnosis, status, etc.).
- the field devices also parameterize and configure the field devices.
- the fieldbus system is also referred to as a process control system.
- firewalls are used to avoid external interventions.
- unauthorized internal interventions are just as dangerous.
- internal interventions e.g. B.
- Parameters in field devices can be changed or the entire control strategy can be changed. This can lead to undesirable changes in the production process.
- a control strategy can e.g. B. with the System FieldCare® from Endress + Hauser and loaded into the field devices.
- SCADA systems or configuration tools Programs that enable parameterization, configuration and a change in the control strategy (SCADA systems or configuration tools) are usually equipped with password protection. Authorization of the persons making the changes is also necessary.
- Endress + Hauser provides security protection against unauthorized changes to parameters in field devices via a lock. The person who wants to make changes must enter a code on the field device before changes can be made to the field device.
- Field devices that are used in process control systems usually have microprocessors with corresponding peripheral components.
- a control unit which is connected to the field device via a fieldbus, requests an individual identifier of the field device at time intervals and compares this with an identifier stored in the control unit. With this query, an exchange of the hardware or software or its parts is immediately noticed.
- the method according to the invention is essential, in particular with regard to the validability of a system.
- the individual identifier can be the serial number of the field device.
- the individual identifier can be a key in the device firmware of the field device.
- the requested identifier is saved in a database with a corresponding time stamp for each request.
- an alarm message or a warning message is generated if a change in the identification of a field device has been detected. Since operational changes must also be made to the field device, alarm messages or events should only be generated if they are outside of specified maintenance periods. Or if maintenance has been explicitly allowed / planned.
- FIG. 1 network of process automation technology in a schematic representation.
- FIG. 1 shows a network of process automation technology in more detail.
- a data bus D1 there are several control systems or control units (workstations WS1, WS2) for process visualization, process monitoring and
- the data bus D1 works e.g. B. according to the HSE (High Speed Ethernet) standard of the Foundation Fieldbus.
- the data bus D1 is connected to a fieldbus segment SM1 via a gateway G1, which is also referred to as a linking device.
- the fieldbus segment SM1 consists of several field devices F1, F2, F3, F4, which are connected to one another via a fieldbus FB.
- the fieldbus works e.g. B. according to the Foundation® Fieldbus standard.
- the control unit WS1 requests an individual identifier of the field device, e.g. B. F1.
- the field device F1 sends its individual identifier to the control unit WS1 on the basis of the request. This individual identifier is compared in the control unit WS1 with an individual identifier stored in the control unit WS1. If the identifier transmitted by the field device matches the individual identifier stored in the control unit, it is ensured that no unauthorized manipulations with regard to hardware or software have been carried out on the field device. This enables validation of the process flow.
- the serial number of the field device F1 or a key in the device software is possible as an individual identifier.
- the control unit WS1 is connected to an external database in which each query is logged with a time stamp. This enables proof to be provided over a longer period of time.
- the database is only saved if a change in the identifier has been determined by the control unit WS1.
- Maintenance work on an automation system usually takes place at precisely specified maintenance periods. To avoid unnecessary alarm messages, they are only generated if they are outside of specified maintenance periods.
- the alarm message can be displayed on the control unit WS1 or alternatively via alternative ways.
- B. Email, SMS and fax can be forwarded to the responsible authorities.
- control unit only monitors whether the field device in question is e.g. F1 is connected to the fieldbus FB and is functional.
- control unit WS1 sends a request to the field device F1 that requires a response from the field device F1. If the field device does not respond, the failure is saved in the database.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Testing And Monitoring For Control Systems (AREA)
- Debugging And Monitoring (AREA)
- Small-Scale Networks (AREA)
- Information Transfer Between Computers (AREA)
- Control Of Eletrric Generators (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10326665A DE10326665A1 (de) | 2003-06-11 | 2003-06-11 | Verfahren zum Überwachen eines Feldgerätes |
PCT/EP2004/006216 WO2004109411A2 (de) | 2003-06-11 | 2004-06-09 | Verfahren zum überwachen eines feldgerätes |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1631865A2 true EP1631865A2 (de) | 2006-03-08 |
EP1631865B1 EP1631865B1 (de) | 2008-05-07 |
Family
ID=33495013
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04739728A Expired - Lifetime EP1631865B1 (de) | 2003-06-11 | 2004-06-09 | Verfahren zum überwachen eines feldgerätes |
Country Status (7)
Country | Link |
---|---|
US (1) | US7890300B2 (de) |
EP (1) | EP1631865B1 (de) |
CN (1) | CN100549881C (de) |
AT (1) | ATE394718T1 (de) |
DE (2) | DE10326665A1 (de) |
RU (1) | RU2328027C2 (de) |
WO (1) | WO2004109411A2 (de) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7246194B2 (en) * | 2003-01-30 | 2007-07-17 | Rosemount, Inc. | Interface module for use with a fieldbus device network and with internet and non-internet based process control networks |
US8126577B2 (en) | 2005-06-03 | 2012-02-28 | Neophotonics Corporation | Monitoring and control of electronic devices |
US20060276917A1 (en) * | 2005-06-03 | 2006-12-07 | Beam Express, Inc. | Monitoring and control of electronic devices |
JP4743508B2 (ja) * | 2005-11-29 | 2011-08-10 | 横河電機株式会社 | プラント制御システム |
US8448065B2 (en) * | 2006-06-07 | 2013-05-21 | Siemens Industry, Inc. | System and method for the editing and accessing real-time OPC data with text-based tags |
US7684875B2 (en) * | 2007-02-02 | 2010-03-23 | Fisher-Rosemount Systems, Inc. | Methods and apparatus to configure process control system inputs and outputs |
ES2351259T3 (es) | 2007-03-12 | 2011-02-02 | Secunet Security Networks Aktiengesellschaft | Dispositivo de protección para una unidad programable de proceso de datos. |
DE102008005252B4 (de) * | 2008-01-19 | 2013-10-17 | Sew-Eurodrive Gmbh & Co. Kg | Verfahren zum Betreiben einer Anlage |
WO2009149976A2 (en) * | 2008-05-27 | 2009-12-17 | Abb Research Ltd. | Work station in a process control system |
US8374094B2 (en) * | 2008-12-11 | 2013-02-12 | Fisher-Rosemount Systems, Inc | Methods and systems to verify a communication path between a field device and a process controller in a process control system |
DE102009045384A1 (de) * | 2009-10-06 | 2011-04-07 | Endress + Hauser Process Solutions Ag | Verfahren zum Betreiben eines Feldbus-Interface |
DE102010040054A1 (de) | 2010-08-31 | 2012-03-01 | Endress + Hauser Process Solutions Ag | Verfahren zur Sicherstellung der korrekten Funktionsweise einer Automatisierungsanlage |
EP2463736A3 (de) * | 2010-12-09 | 2018-05-30 | Schneider Electric Industries SAS | Vorrichtungsmanager |
US8538559B2 (en) * | 2011-04-04 | 2013-09-17 | Relcom, Inc. | Fieldbus system function block enhancements using transducer block |
DE102011088236A1 (de) | 2011-12-12 | 2013-06-13 | Endress + Hauser Wetzer Gmbh + Co. Kg | Verfahren zum sicheren Betreiben eines Feldgerätes der Prozessautomatisierungstechnik |
DE102012109227A1 (de) * | 2012-09-28 | 2014-04-03 | Endress + Hauser Gmbh + Co. Kg | Anordnung, umfassend zumindest ein Feldgerät, zumindest eine diesem zugeordnete Sensor- oder Signalerfassungseinheit und zumindest einen Funktionsblock |
US8984641B2 (en) * | 2012-10-10 | 2015-03-17 | Honeywell International Inc. | Field device having tamper attempt reporting |
US10120350B2 (en) * | 2013-03-11 | 2018-11-06 | Fisher-Rosemount Systems, Inc. | Background collection of diagnostic data from field instrumentation devices |
EP2876514A1 (de) * | 2013-11-22 | 2015-05-27 | ABB Technology AG | Schleifenprüfung der Funktionsfähigkeit technischer Geräte eines industriellen Prozessautomatisierungssystems |
DE102014105076A1 (de) * | 2014-04-09 | 2015-10-15 | Krohne Messtechnik Gmbh | Verfahren zum gesicherten Zugriff auf ein Feldgerät |
JP6052265B2 (ja) * | 2014-10-21 | 2016-12-27 | 横河電機株式会社 | I/oモジュール、設定装置、及びプロセス制御システムの構築方法 |
CN106325120B (zh) * | 2015-07-02 | 2020-01-21 | 株式会社安川电机 | 工业控制系统及工业控制系统的设备运行控制方法和装置 |
CN108107759A (zh) * | 2017-12-22 | 2018-06-01 | 生迪智慧科技有限公司 | 设备联动方法与装置 |
US10922412B2 (en) * | 2018-01-22 | 2021-02-16 | The Boeing Company | Automatic tampering detection in networked control systems |
US11243514B2 (en) * | 2019-12-13 | 2022-02-08 | Yokogawa Electric Corporation | Methods, systems and computer program products for commissioning field devices in a control system |
DE102020119297A1 (de) * | 2020-07-22 | 2022-01-27 | Endress+Hauser SE+Co. KG | Verfahren zum Überwachen eines ersten Prozessors eines Sensormoduls durch einen zweiten Prozessor |
DE102020133063A1 (de) | 2020-12-10 | 2022-06-15 | Vega Grieshaber Kg | Verfahren zur Überwachung eines Feldgeräts und Feldgerätt |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6209090B1 (en) * | 1997-05-29 | 2001-03-27 | Sol Aisenberg | Method and apparatus for providing secure time stamps for documents and computer files |
DE19855209A1 (de) * | 1998-11-30 | 2000-06-08 | Digital Design Gmbh | Verfahren und Vorrichtung zum Schutz von Gegenständen oder Informationen gegen unberechtigten Zugriff |
US6774786B1 (en) * | 2000-11-07 | 2004-08-10 | Fisher-Rosemount Systems, Inc. | Integrated alarm display in a process control network |
US6553497B1 (en) * | 1999-03-25 | 2003-04-22 | International Business Machines Corporation | Electromagnetic field tamper alarm |
US6618745B2 (en) * | 1999-09-10 | 2003-09-09 | Fisher Rosemount Systems, Inc. | Linking device in a process control system that allows the formation of a control loop having function blocks in a controller and in field devices |
HUP0203253A2 (en) * | 1999-10-25 | 2003-02-28 | Siemens Ag | System and method for preventing unauthorized access to modules, especially in automation systems |
US6917845B2 (en) * | 2000-03-10 | 2005-07-12 | Smiths Detection-Pasadena, Inc. | Method for monitoring environmental condition using a mathematical model |
DE10017182C2 (de) * | 2000-04-07 | 2003-10-16 | Seca Gmbh | Alarmvorrichtung |
US20020080938A1 (en) * | 2000-05-19 | 2002-06-27 | Alexander Wade H. | Method and apparatus for generating dynamic graphical representations and real-time notification of the status of a remotely monitored system |
US7130701B1 (en) * | 2000-05-24 | 2006-10-31 | Schneider Automation Inc. | System for remote configuration monitoring of an industrial control system |
US7069452B1 (en) * | 2000-07-12 | 2006-06-27 | International Business Machines Corporation | Methods, systems and computer program products for secure firmware updates |
US6757714B1 (en) * | 2000-07-28 | 2004-06-29 | Axeda Systems Operating Company, Inc. | Reporting the state of an apparatus to a remote computer |
DE10151115A1 (de) * | 2001-10-15 | 2003-05-08 | Siemens Ag | Verfahren zum Bedienen und zum Beobachten von Feldgeräten |
DE10157323A1 (de) * | 2001-11-23 | 2003-06-18 | Endress & Hauser Process Solut | Verfahren zum Bedienen eines Feldgerätes |
US6874089B2 (en) * | 2002-02-25 | 2005-03-29 | Network Resonance, Inc. | System, method and computer program product for guaranteeing electronic transactions |
EP1429224A1 (de) * | 2002-12-10 | 2004-06-16 | Texas Instruments Incorporated | Firmware Laufzeit Authentisierung |
US20040107345A1 (en) * | 2002-10-21 | 2004-06-03 | Brandt David D. | System and methodology providing automation security protocols and intrusion detection in an industrial controller environment |
US20040129312A1 (en) * | 2003-01-03 | 2004-07-08 | Joseph Cuzzo | Water system tampering sensing device |
US6968292B2 (en) * | 2004-03-02 | 2005-11-22 | Paragon Technical Services, Inc. | Industrial controller event logging |
-
2003
- 2003-06-11 DE DE10326665A patent/DE10326665A1/de not_active Withdrawn
-
2004
- 2004-06-09 RU RU2006100291/09A patent/RU2328027C2/ru not_active IP Right Cessation
- 2004-06-09 US US10/560,345 patent/US7890300B2/en not_active Expired - Fee Related
- 2004-06-09 DE DE502004007063T patent/DE502004007063D1/de not_active Expired - Lifetime
- 2004-06-09 CN CNB2004800162886A patent/CN100549881C/zh not_active Expired - Fee Related
- 2004-06-09 EP EP04739728A patent/EP1631865B1/de not_active Expired - Lifetime
- 2004-06-09 WO PCT/EP2004/006216 patent/WO2004109411A2/de active IP Right Grant
- 2004-06-09 AT AT04739728T patent/ATE394718T1/de not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO2004109411A2 * |
Also Published As
Publication number | Publication date |
---|---|
DE502004007063D1 (de) | 2008-06-19 |
CN1806211A (zh) | 2006-07-19 |
US20060241913A1 (en) | 2006-10-26 |
ATE394718T1 (de) | 2008-05-15 |
RU2006100291A (ru) | 2007-07-27 |
US7890300B2 (en) | 2011-02-15 |
WO2004109411A3 (de) | 2005-05-06 |
DE10326665A1 (de) | 2005-01-20 |
RU2328027C2 (ru) | 2008-06-27 |
CN100549881C (zh) | 2009-10-14 |
EP1631865B1 (de) | 2008-05-07 |
WO2004109411A2 (de) | 2004-12-16 |
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